Module: DoorMat::Crypto::PasswordHash

Defined in:
lib/door_mat/crypto/password_hash.rb

Class Method Summary collapse

Class Method Details

.bcrypt_hash(password, salt = nil) ⇒ Object 



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# File 'lib/door_mat/crypto/password_hash.rb', line 31

def bcrypt_hash(password, salt=nil)
  salt ||= bcrypt_salt
  BCrypt::Engine.hash_secret(password.to_str, salt.to_str)
end

.bcrypt_salt(cost = nil) ⇒ Object 



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# File 'lib/door_mat/crypto/password_hash.rb', line 25

def bcrypt_salt(cost=nil)
  cost ||= DoorMat.configuration.crypto_bcrypt_cost
  BCrypt::Engine.generate_salt(Integer(cost))
end

.pbkdf2_hash(password, salt) ⇒ Object 



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# File 'lib/door_mat/crypto/password_hash.rb', line 17

def pbkdf2_hash(password, salt)
  length, iterations, salt = salt.to_str.split('--').map { |s| Base64.strict_decode64(s) }
  Base64.strict_encode64(
      OpenSSL::PKCS5.pbkdf2_hmac_sha1(password.to_str, salt, Integer(iterations), Integer(length))
  )
end

.pbkdf2_salt(salt_length = nil, password_length = nil, iterations = nil) ⇒ Object 



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# File 'lib/door_mat/crypto/password_hash.rb', line 8

def pbkdf2_salt(salt_length=nil, password_length=nil, iterations=nil)
  salt_length ||= DoorMat.configuration.crypto_pbkdf2_salt_length
  password_length ||= DoorMat.configuration.crypto_pbkdf2_password_length
  iterations ||= DoorMat.configuration.crypto_pbkdf2_iterations

  [password_length, iterations, OpenSSL::Random.random_bytes(salt_length)].map { |s| Base64.strict_encode64(s.to_s)}.join('--')
end